body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
}

.menu{
    margin:0px;
    float:right;	
}
.menu ul li{
    display:inline;	
}
.menu a {
	text-decoration: none;
	border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
	background-color: #f0f0f0;
    border-color: #cccccc;
	padding: 3px;
}
.menu a:hover {
	background-color: #e8f4ff;
    border-color: #b3d8ff;
}
.cont_show{
    position:absolute;
    width:960px;
    left:50%;
    margin:30px 0 0 -480px;	
}

fieldset {
    border: none;
    margin: 20px;
    padding: 0;
}

legend {
    font-size: 2.4em;
    font-weight: bold;
    color: #0066cc;
    margin-bottom: 15px;
}

.list {
	font-size: 1.4em;
    margin-bottom: 15px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    background-color: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.CurrentYear .list {
    background-color: #e8f4ff;
    border-color: #b3d8ff;
}

.NotCurrentYear .list {
    background-color: #f0f0f0;
    border-color: #cccccc;
}

.ElseCurrentYear .list {
    background-color: #fff4e6;
    border-color: #ffcc99;
}

.list:hover{
    cursor: pointer;
}
.NotCurrentYear {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: flex-start;
}

.horizontal-list .list-title {
    display: inline-block;
    margin-right: 15px;
    font-weight: bold;
    cursor: pointer;
}

.contents {
    display: none;
    margin-top: 10px;
    padding-left: 15px;
    font-size: 0.8em;
}

.contents span a {
	display: inline-block;
    color: #0066cc;
    text-decoration: none;
    margin: 2px;
	border: 1px solid #b3d8ff;
	padding: 2px;
	border-radius: 3px;
}

.contents span a:hover {
    text-decoration: underline;
}